The parsing words described in Syntax to control word lookup are implemented using the below words, which you can also call from your own parsing words.

The current state used for word search is stored in a manifest:

manifest

Words for working with the current manifest:

use-vocab ( vocab -- )

unuse-vocab ( vocab -- )

add-qualified ( vocab prefix -- )

add-words-from ( vocab words -- )

add-words-excluding ( vocab words -- )

Words used to implement IN::

current-vocab ( -- vocab )

set-current-vocab ( name -- )

Words used to implement Private words:

begin-private ( -- )

end-private ( -- )